1

Totalizers without preselection - LCD 24 x 48 - CTR24

Display: 8-digit LCD, height 8 mm Powered by a lithium battery Counter inputs: solid state (4-30 Vc ) or voltage

(10 260 Va ) Reset on panel or external with inhibition option Backlit model (2341-2351-2342) Counting directions can be selected with input (2241-

2341/2251-2351) Accessories for 50 x 25 mm cut-out

Type Type Functions CodeCTR24 non-backlit model 2241 Solid state input, lithium battery PNP/NPN 87622061

2251 Solid state input, lithium battery NPN/NPN 876220622242 Voltage input, lithium battery 87622070

CTR24 model with orange backlighting

2341 Solid state input, lithium battery PNP/NPN 876220812351 Solid state input, lithium battery NPN/NPN 876220822342 Voltage input, lithium battery 87622090

Description CodeAdaptor for 50 x 25 mm cut-out - Fixed with screws 26546843Adaptor for 50 x 25 mm cut-out - Fixed with clips 26546844DIN rail adaptor 26546840Clip-fixing kit (supplied with the product) 26546848

Environmental characteristicsConsumption Backlighting: 24 Vc ± 20% 50 mAConnection by 8 screw terminals at rear of casing

Connection capacity 1.5 mm2

Fixed using bracket

Degree of protection front face IP 65Temperature limits use (°C) -10 +60Temperature limits stored (°C) -20 +70Breakdown voltage Selon EN 61010-1: 2000 V / 50 Hz / 1 minConformity to standards EN 61000-6-2 - EN 55011 class BAltitude 2000 mCertifications UL - cULus (pending) - CEWeight (g) 50Operating characteristicsFunction Impulse counterDisplay 8-digit LCDHeight digits (mm) 8Counting capacity -9.999.999 99.999.999 with elimination of zerosInputs 2241-23411 slow counting input for contact closure on NPN open-collector transistor input (terminals 2-6)

1 input for high speed counting signal from voltage level (terminals 1-6) 4 30 VcLow level 0 0.7 VcHigh level 4 30 Vc PNPHigh-speed counting 12 KHz max.

42 µs PNPInput impedance 100 KΩ PNPInputs 2251-23511 slow counting input for contact closure on NPN open-collector transistor input (terminals 2-6)

1 input for high speed counting signal from voltage level (terminals 1-6) 3 30 VcLow level 0 0.7 VcHigh level 3 30 VcHigh-speed counting 7 KHz max.

70 µs NPNInput impedance 1 MΩ

Electronic counters without preselection

Part numbers

Accessories

General characteristics

2

Reset - External 2241-2341 & 2251-2351Volt-free contact or open collector (terminals 3-6)

Inputs 2242-23421 input for slow counting 2 voltage levels

Voltage - Terminals 1-2 10 260 VzInput impedance (kΩ) 160Slow counting 30 HzMinimum pulse time 16 msLow level 0 2 VzHigh level 10 260 VzReset - External 2242-2342Voltage - Terminals 2-3

Minimum pulse time 16 msLow level 0 2 VzHigh level 10 260 VzReset to zero - PanelReset via Inhibited: Terminals 4-6 not connected

Active: Terminals 4-6 connectedSupply1 lithium battery - Life (years) 8

CTR24 Fixing strip with clip-on yoke Panel cut-out

Seal

Fixing yoke

4 appliances 26546843 - Adaptor for 50 x 25 mm cut-out - Fixed with screws

26546844 - Adaptor for 50 x 25 mm cut-out - Fixed with clips

Accessory supplied with the counter

26546840 - DIN rail adaptor

Dimensions (mm)

24

22x45

48

47,7 3

2,8

19,3

CTR24

2

1

22,2

- 0

+0,

3

45 +0,6

1

2

+ 0

,3

+ 0,6

3045

2022

,2

56

25X

50

40 32

41

53

28

25X

50

41

50,4 x 25,4

70

10145

75 8345

3

2241-2341 2241-2341 2241-2341

Fast count

Slow count

Reset input 12 ms

Enable panel reset

Mode count direction

0 V common/ (BL- only 23xx)

Backlighting option (only 2341)

Backlighting option + 24 Vc (only 2341)

PNP fast count input - Voltage PNP fast count input Transistor or 3-wire PNP proximity sensor (for leakage current detector ≤ 1 mA)

2241-2341 2241-2341 2241-2341

2-wire proximity sensor fast count input 2-wire proximity sensor fast count input Slow count input (2) or reset input (3)

2241-2341 2241-2341 2251-2351

Slow count input (2) or reset input (3) Slow count input (2) or reset input (3) - Contact not supplied with power

Fast count

Slow count

Reset input 12 ms

Enable panel reset

Mode count direction

0 V common/ (BL- only 23xx)

Backlighting option + (only 2351)

Backlighting option + 24 Vc (only 2351)

Connections

821 3 4 5 6 7

76 8

30 Vdc - 12 KHz

1 2 3 4 5

+

3

5

4-30V

1

6

1

6

PNP

+

OV

4-30V

1

2

3

4

5

6

7

8

1

6

OV

4-30V

OV

1

6

4-30V 2 - 3

6

3 - 2

6

3 - 2

6

821 3 4 5 6 7

1 2 3 4 5 6 7 8

7KHz

30Hz

1

2

3

4

5

6

7

8

4

2251-2351 2251-2351 2251-2351

Fast count input NPN - Voltage Fast count input NPN Transistor or 3-wirePNP proximity sensor (for leakage currentdetector ≤ 1 mA)

2-wire proximity sensor fast count input

2251-2351 2251-2351 2251-2351

Slow count input (2) or reset input (3) Slow count input (2) or reset input (3) Slow count input (2) or reset input (3)Contact not supplied with power

2242-2342 2242-2342 2242-2342

Fast count

AC/DC common

Reset input 12 ms

Enable panel reset

count direction

0 V common/ (BL- only 23xx)

Backlighting option - (only 2342)

Backlighting option + 24 Vc (only 2342)

Counter or reset input - Voltage Counter or reset input - Contact supplied with power

2242-2342 2242-2342 2242-2342

Counter or reset input PNP Transistor or3-wire PNP proximity sensor (for leakagecurrent detector < 1 mA)

Counter or reset input NPN Transistor or3-wire PNP proximity sensor (for leakagecurrent detector < 1 mA)

Start/Stop or reset input: 2-wire proximitysensor R=470 Ω /2 W for 2-wire leakagecurrent detector ≤ 1 mA

1

61

6

NPN

+

OV

4-30V

OV

1 - 3

2

2 - 3

6

3 - 2

6

3 - 2

6

821 3 4 5 6 7

8

10 260

30Hz

10 260

2

Vac/dc Vac/dc

1 3 4 65 7

10-240V~/2

1 - 3

2

1 - 310-240V~/

1

2

3

4

5

6

7

8

1 - 3

2

PNP

+

OV

10-260V

1 - 3

2

NPN

+

OV

10-260V1 - 3

2

OV

30 V max